523725773 has 4 divisors (see below), whose sum is σ = 523775388. Its totient is φ = 523676160.

The previous prime is 523725739. The next prime is 523725791. The reversal of 523725773 is 377527325.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 64609444 + 459116329 = 8038^2 + 21427^2 .

It is a cyclic number.

It is not a de Polignac number, because 523725773 - 2¹⁰ = 523724749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 523725773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523725373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (130943847).

Almost surely, 2^523725773 is an apocalyptic number.

It is an amenable number.

523725773 is a deficient number, since it is larger than the sum of its proper divisors (49615).

523725773 is a wasteful number, since it uses less digits than its factorization.

523725773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49614.

The product of its digits is 308700, while the sum is 41.

The square root of 523725773 is about 22885.0556695849. The cubic root of 523725773 is about 806.0611357552.

The spelling of 523725773 in words is "five hundred twenty-three million, seven hundred twenty-five thousand, seven hundred seventy-three".